Operation Manual
120
5
Function Reference
You can set so that the focusing performed when the shutter release 
button is pressed halfway is canceled and is performed when the 4 
button is pressed. This is useful when you wish to temporarily use 
autofocus while using manual focus.
Set [3 (Enable AF)] in [OK btn when shooting] in the [A Custom] menu. 
(p.100)
Use the 4 Button to Focus on the Subject
Only use this function with lenses that are compatible with Quick Shift Focus.
• Select [4 (Cancel AF)]. \ appears in the viewfinder while the 4 button is 
pressed. Autofocus does not activate when the shutter release button is 
pressed. This is useful when you wish to temporarily use manual focus while 
using autofocus.
• You can focus using the focus ring and release the shutter while 4 button 
is pressed when using a lens compatible with Quick Shift Focus. (Take your 
finger off the 4 button to immediately return to AF mode.)
OK btn when shooting
Off
Spot AF 
Enable AF 
Cancel AF
AF with shutter release
button disabled so AF
performed with OK button










